Manuals / Heat Controller / Household Appliance / Air Conditioner

Heat Controller B-MMC09FA-1, B-MMH12FA-1, B-MMC12FA-1, B-MMH09FA-1, A-MMH24FA-1 manual MMC24FA-1

Models: A-MMC24FA-1 B-MMH12FA-1 A-MMC18FA-1 B-MMC12FA-1 A-MMH36FA-1 A-MMH18FA-1 B-MMH09FA-1 A-MMC36FA-1 A-MMH24FA-1 B-MMC09FA-1

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Page 62

Troubleshooting Guide

3. A-MMC24FA-1				OUTDOOR UNIT
	Ø9.52			High pressure S/W
	Ø9.52
Field Piping	Room B
Field Piping	Ø9.52
Gas	Ø9.52	Strainer
	Room A
		Header		Th3
				Th3
			Th1	Th2
		Accumulator	Constant Compressor	Constant Compressor
				Heat
				Exchanger
	Ø6.35	EEV-B
Field Piping	Room B
Field Piping	Ø6.35	EEV-A
Liquid	Ø6.35	EEV-A
	Room A
Refrigerant Flow
Cooling			Strainer
Th1: Discharge thermistor

Th2: Discharge thermistor

Th3: Outdoor temperature thermistor

4. A-MMH24FA-1

				OUTDOOR UNIT
	Ø9.52
Field Piping	Room B
Field Piping	Ø9.52
Gas	Ø9.52	Strainer
	Room A
				High pressure S/W
		Header
		Accumulator	Constant Compressor	Th3
		Accumulator	Constant Compressor	Constant Compressor
			Th1	Th2
				Heat
				Exchanger
	Ø6.35	EEV-B
Field Piping	Room B
Field Piping	Ø6.35
Liquid	Ø6.35	EEV-A
	Room A
				Th4
Refrigerant Flow
Cooling			Strainer
			Strainer
Heating

Th1: Discharge thermistor

Th2: Discharge thermistor

Th3: Outdoor temperature thermistor

Th4: Defrost thermistor

Wall Mounted Multi-Zone Split System Air Conditioner

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Image 62

Heat Controller B-MMC09FA-1, B-MMH12FA-1, B-MMC12FA-1, B-MMH09FA-1, A-MMH24FA-1, A-MMH36FA-1, A-MMH18FA-1 manual MMC24FA-1

Contents

Heat CONTROLLER, INC Table of Contents KBtu/h 3 rooms Symbols Used in this ManualKBtu/h 2 rooms Be sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Control box securely Cuit and breaker Defective installation stand Do not install, remove, or reDo not install the product on a Do not allow water to run into electric parts Flooded or submerged, contact When the product is soaked Be cautious that water canNever enter the product Use two or more people to lift and transport the product Install the drain hose to ensure that Keep level even whenInstalling the product Operational Do not use the remote is the batteries have leaked Seaside applications and installation Selecting the locationOutdoor Unit Split Type Indoor DimensionsIndoor Unit Outdoor Unit 18kBtu/h 24kBtu/h UE2 36kBtu/h Product Specifications Indoor Unit Type Wall Mounted Model Outdoor Unit Multiple piping models MMC18FA-1 MMH18FA-1 MMC24FA-1 MMH24FA-1 MMC36FA-1 MMH36FA-1 Installation Tools InstallationInstallation Parts Selecting the best location 18 / 24 kBtu/h KBtu/h Piping length and elevationMulti Piping Type Installing Installation PlateStandard Type Drilling the hole in the wall Flaring Work and Connection of Piping Flaring work Indoor Connecting the PipingCheck Indoor unit installation Wrap the insulation material around the all connections For left rear piping Wrap the insulation material around the connecting por- tion Good case Bad case Remote Control Preparationoptional Outdoor unit 36 kBtu/h OutdoorOutdoor unit 18/24 kBtu/h Connect the cable to the Indoor unit Tions ETL recognized and CSA certified Connect the cable to the Outdoor unit Outdoor unit Methods of connecting the cable How to connect wiring to the terminals Model Drain piping Checking the drainageTo check the drainage Secure the taped piping along the exterior wall using Insulating the Pipe and Special Piping Applications Preparation Air Purging and EvacuationLeak checking Leakage test Finishing the job Repeat evacuation procedure for each indoor unitEvacuation Charging Additional Test Running Split Type Heating Mode Operation Cooling Mode OperationSoft Dry Operation Mode Operation Fuzzy Operation for Cooling Defrost ControlHeatingFuzzy Operation Airflow Speed Selection On-Timer OperationOff-Timer Operation Fuzzy Operation for Dehumidification Chaos Swing Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Natural Wind Mode Forced Operation Buzzer Sound Function of Indoor Unit Split Type Indoor Unit Function of Outdoor Unit Cooling Model , Heat Pump Model Remote Control OperationTime Setting Buttons Used to adjust the time Disassembly To remove the Grille from the Chassis To remove the Control Box To remove the Motor Cover Indoor Unit Schematic DiagramElectronic Control Device Outdoor Unit TMP87CM41F RY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Wiring Diagram Indoor Unit Outdoor Unit MMC24FA-1 Component Locations Bottom View Display Assembly Split Type 6871A20680 Component side Solder side MMC18FA-1 Troubleshooting GuideRefrigeration Cycle Diagram MMH18FA-1 MMH24FA-1 MMC36FA-1 MMH36FA-1 Error Indicator Indoor ErrorOutdoor Error Self-diagnosis Function Cycle Troubleshooting Guide Trouble analysis Electronic Parts Troubleshooting Guide Procedure Specification Remedy Product doesnt operate with the remote controller Compressor/Outdoor Fan dont operate Check Point Comp. on Comp. OFF Trouble 4 When indoor Fan does not operate Nector Voltage of Connectors according to Indoor Fan Speed RY-COMP-B When Vertical Louver does not operate Indoor air sensor Error CodeCheck Point Indoor inlet pipe sensor Communication line is shorted at GND Description Cause of error Check point & Normal conditionPower input AC 230V.Outdoor, Indoor Comp OFF Pipe sensor Outdoor air sensorCondensor pipe sensor Way, 3-way Valve Way Valve Liguid Side Procedure Pumping down All the refrigerant leaked Replace the valve and service port capsEvacuation After Evacuation Replace the valve stem nuts and the service port nutGas Charging Connect the gauge to the charging cylinder Exploded View Model B-MMC09FA-1, B-MMH09FA-1, B-MMC12FA-1, B-MMH12FA-1 Model A-MMC18FA-1, A-MMH18FA-1 Model A-MMC24FA-1, A-MMH24FA-1 Model A-MMC36FA-1, A-MMH36FA-1 Heat CONTROLLER, INC 08/06/2008